Improved dentifrice-paste



' dial ill M An,

em-11H fit G. F. J. COLBURN,

Letters Patent No. 85,166, dated December OF NE'VVARK, NEW JERSEY,ASSIGNOR TO JOHN DAVIDSON, O'F SAME PLACE.

IMPROVED DENTIFRICE-PASTE.

F. -O- A The Schedule referred to in these Letters Patent and making p05 the same- To all whom it may concern:

Be it known that I, G. 1*. J. COLBURX, of. the city of Newark, and Stateof New J ersey, have invented a new and useful 'Dentiii'icc-Paste; and Ido hereby dcclare that the following is a full and exact descriptionthereof.

The nature of my invention consists in compounding certain chemicals,whose properties are such as to remove secretions from the teeth, in theform of a paste, for the better coiivenience of their use, as thefollowing statement sets forth.

I mix together six pounds of washed pulverized chalk, a quarter of apound of orris-root, (puly'erized) one ounce of pulverized 'Gastilesoap, one ounce of oil of winter-green, and three pounds of glycerine.

A compound of these proportions, when well mixed, produces a pasty mass,which readily exudes, under pressure, from a proper holder.

I do not confine myself to these proportions, as theymay be variedconsiderably, withoutdetriment to their use.

have been attempted, they have failed to maintain their plasticcondition, and become hard and Worthless, the liquid elementevaporating; but in the use of glycerine, as set forth, in thiscompound, a'pernianent moist and plastic condition is maintained.

I therefore claim as my invention, and desire to secure Letters PatentFor the mixing of the solids herein described, or their chemicalequivalents,- with glyoerine, all substantially in the manner and forthe purpose hereinbefore described.

G. F. J. OOLBURN.-

'Witnesscs: SAM. W. Bonn, J om: DAVIDSON.

When, heretofore,- dentifrices, in the form of apaste,

